Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8335338 | Speaker and electronic apparatus and device using the same | Kouzi Sano, Masahide Sumiyama, Takanori Fukuyama, Kazutaka Kubo, Satoshi Itoh +1 more | 2012-12-18 |
| 8023685 | Electroacoustic transducer and electronic device using the same | Kazuki Honda, Takanori Fukuyama, Koji Sano, Hiroshi Yano, Kazuya Yamasaki +2 more | 2011-09-20 |
| 7877856 | Method of manufacturing a speaker | Takanori Fukuyama, Tomoyasu Takase, Koji Sano, Hiroshi Yano, Masanori Nakano +6 more | 2011-02-01 |
| 7634102 | Speaker and device using the same | Tomoyasu Takase, Mitsutaka Enomoto, Kazuya Yamasaki, Kazutaka Kubo, Masahide Sumiyama | 2009-12-15 |
| 7548632 | Speaker, module using the same, electronic equipment and device, and speaker producing method | Takanori Fukuyama, Tomoyasu Takase, Koji Sano, Hiroshi Yano, Masanori Nakano +6 more | 2009-06-16 |
| 7548627 | Speaker, and module, electronic apparatus, and device that use the speaker | Tomoyasu Takase, Masanori Nakano, Masahide Sumiyama, Hiroshi Yano, Kazutaka Kubo +6 more | 2009-06-16 |
| 7519191 | Loudspeaker, manufacturing method thereof, and mobile telephone using the same | Mitsutaka Enomoto, Hiroshi Yano | 2009-04-14 |
| D571358 | Speaker | Takahiko Yoshinaga, Koji Sano, Takehiko Tanabu | 2008-06-17 |
| 7362877 | Electric acoustic converter and electronic device using the same | Kazuki Honda, Koji Sano, Kazutaka Kubo, Kazuya Yamasaki, Hiroshi Yano +4 more | 2008-04-22 |
| D565551 | Speaker | Takahiko Yoshinaga, Koji Sano | 2008-04-01 |
| D565548 | Speaker | Takahiko Yoshinaga, Koji Sano, Takehiko Tanabu | 2008-04-01 |
| D565552 | Speaker | Takahiko Yoshinaga, Koji Sano | 2008-04-01 |
| D534899 | Speaker | Koji Sano, Kazutaka Kubo | 2007-01-09 |
| D534161 | Speaker | Koji Sano, Kazutaka Kubo | 2006-12-26 |
| 7113813 | Mobile communication terminal and electro-acoustic transducer used for the same | Shigeru Tomoeda, Koji Sano, Tetsuya Mori, Kazutaka Kubo | 2006-09-26 |
| D468726 | Speaker | Koji Sano, Shigeru Tomoeda | 2003-01-14 |